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How to read this page
A player page shows one box score, because a hitter and a pitcher share almost no column — which half you get follows the one he appears in. Every rate is built from summed counts, so a batting average is hits over at bats across whatever window you picked rather than an average of nightly averages. Pitchers rank against starters or relievers, which is the split the sport itself draws. A dash means no number for that cell, or a zero in a roster column that counts.
Will Klein
Pitcher2026 · Regular Season
One to noteWill Klein places 210th of 226 relief pitchers in inherited runners scored rate, at 53.3%.
94th beats 94% of the Relief Pitchers; 1 is the best of however many the row says. Higher is always better, whichever way the stat runs. Red to green by where the placing sits. A stat with no better end is left unpainted.
Cardsall 4 shown▶
Playing TimeDefensevs Relief Pitchers▶
ResultsDefensevs Relief Pitchers▶
CommandDefensevs Relief Pitchers▶
ReliefDefensevs Relief Pitchers▶
Game log36 games
| Date | Opp | IP | W | L | SV | H | HR | K | BB | ERA | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|
| July 31, 2026 |  BOS | 1.1 | 0 | 0 | 0 | 3 | 0 | 3 | 1 | 6.75 | 3.00 |
| July 26, 2026 | @ NYM | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 2 | 36.00 | 4.00 |
| July 22, 2026 | @ PHI | 0.1 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 27.00 | 9.00 |
| July 19, 2026 | @ NYY | 1 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 9.00 | 3.00 |
| July 10, 2026 |  ARI | 1.2 | 0 | 1 | 0 | 0 | 0 | 2 | 2 | 5.40 | 1.20 |
| July 7, 2026 |  COL | 0.1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0.00 | 6.00 |
| July 4, 2026 |  SD | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| July 2, 2026 | SD | 2 | 1 | 0 | 0 | 1 | 0 | 3 | 0 | 0.00 | 0.50 |
| June 28, 2026 | @SD | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0.00 | 2.00 |
| June 22, 2026 | @ MIN | 1 | 0 | 0 | 0 | 2 | 1 | 2 | 1 | 9.00 | 3.00 |
| June 19, 2026 |  BAL | 0.2 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 13.50 | 4.50 |
| June 16, 2026 |  TB | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 1.00 |
| June 15, 2026 | TB | 0.2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0.00 | 1.50 |
| June 11, 2026 | @ PIT | 1 | 0 | 0 | 0 | 3 | 0 | 2 | 1 | 0.00 | 4.00 |
| June 9, 2026 | @PIT | 1.1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0.00 | 0.00 |
| June 4, 2026 | @ARI | 0.1 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 54.00 | 9.00 |
| June 2, 2026 | @ARI | 1.1 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 0.00 | 3.00 |
| May 31, 2026 | PHI | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0.00 | 1.50 |
| May 27, 2026 | COL | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 |
| May 25, 2026 | COL | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| May 24, 2026 | @ MIL | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0.00 | 0.00 |
| May 20, 2026 | @SD | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| May 19, 2026 | @SD | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| May 15, 2026 | @ LAA | 2 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0.00 | 0.50 |
| May 11, 2026 |  SF | 0.2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 1.50 |
| May 8, 2026 |  ATL | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0.00 | 2.00 |
| May 3, 2026 | @ STL | 1.2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 5.40 | 1.20 |
| April 29, 2026 |  MIA | 1 | 0 | 1 | 0 | 3 | 0 | 3 | 1 | 9.00 | 4.00 |
| April 25, 2026 |  CHC | 1.1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0.00 | 0.75 |
| April 19, 2026 | @COL | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 1.00 |
| April 18, 2026 | @COL | 1 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 18.00 | 3.00 |
| April 12, 2026 |  TEX | 2 | 0 | 0 | 0 | 2 | 0 | 4 | 1 | 0.00 | 1.50 |
| April 6, 2026 | @ TOR | 2 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0.00 | 1.00 |
| April 1, 2026 |  CLE | 1.2 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 5.40 | 1.80 |
| March 28, 2026 | ARI | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0.00 | 1.00 |
| March 26, 2026 | ARI | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0.00 | 0.00 |
| Season | G | GS | IP | W | L | SV | ERA | WHIP | H | HR | K | BB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 36 | 3 | 40 | 3 | 4 | 2 | 3.82 | 1.63 | 44 | 3 | 49 | 21 |
2025 | 14 | 0 | 15.1 | 1 | 1 | 0 | 2.35 | 1.57 | 14 | 0 | 21 | 10 |
2024  | 8 | 0 | 7.1 | 1 | 0 | 0 | 11.05 | 2.45 | 12 | 0 | 7 | 6 |
About MLB Research
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Every number the site holds for a Major League team and the players who played for it, in one place. Pick a club, a season and a set of games, and read it. Nothing here needs an account.
Where the numbers come from
The same tables the boards read, resolved through one shared definition per stat. A rate is computed over the whole window rather than averaged across games, so a season figure is not the mean of the nightly ones.